Bently Nevada 135489-01 Internal Barrier Module: Intrinsically Safe I/O Solution for Hazardous Environments
The Bently Nevada 135489-01 Internal Barrier Module delivers mission-critical explosion protection for industrial transducer systems operating in hazardous environments. This 4-channel I/O module ensures operational safety through intrinsic safety certification while maintaining seamless signal transmission for critical monitoring applications.


Key Features
- Intrinsic Safety Certification – Approved for hazardous locations with explosive gases/dust (Class I, II, III Div 1 & 2)
- 4-Channel Design – Supports simultaneous monitoring of multiple transducers and sensors
- Compact Engineering – 7.0 cm x 13.3 cm x 13.3 cm footprint with 0.7 kg weight enables space-efficient installation
- Robust Industrial Construction – Engineered for continuous operation in harsh industrial environments
- Plug-and-Play Integration – Direct compatibility with Bently 3500 system architecture
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | Bently Nevada 135489-01 |
| Certifications | FM, CSA, ATEX, IECEx Intrinsically Safe |
| Channels | 4 Independent Channels |
| Dimensions | 7.0 cm x 13.3 cm x 13.3 cm |
| Weight | 0.7 kg |
Application Fields
Engineered for extreme environments requiring explosion protection:
- Petrochemical refineries and offshore platforms
- Natural gas processing facilities
- Power generation plants with hazardous zones
- Chemical manufacturing environments
- Mining operations with combustible dust
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